Means for cooling the lubricating oil in internal combustion engines



J. L. BARNES MEANS FOR COOLING THE LUBRICATING OIL 1N INTERNALCOMBUSTION ENGINES EIEJ,

Filed 0st. 23, 1955 3 Sheets-Sheet l .5 TTORHE'YS.

Dec. 8, 1936.

J. L. BARNES MEANS FOR COOLING THE LUBRICATING OIL IN INTERNALCOMBUSTION ENGINES Filed 00 23, 1935 3 Sheets-Sheet 2 .HTTORHEYS.

Dec. 8, 1936. J BARNES 2,063,782

MEANS FOR COOLING THE LUBRIGATING OIL IN INTERNAL COMBUSTION ENGINESFiled Oct. 2:, 1935 s Sheets-Sheet 3 'll l I /7 ElE.E. in an "M m .ZJYYEJYTOR' JHZYES ZLEHRZES.

Patented Dec. 8, 1936 MEANS FOR COOLING THE LUBRICATING OIL IN INTERNALCOMBUSTION ENGINES James L. Barnes, Winslow, Ariz., assignor of onehalfto Theodore G. Grieder, Winslow, Ariz.

Application October 23, 1935, Serial No. 46,405

3 Claims. (Cl. 123-196) This invention relates to improvements in passesthrough pipes 12 into pan 1 and is withmeans for cooling the lubricatingoil of an indrawn through the top of pan through pipe [4 to ternalcombustion engine, and contemplates the the compressor and thence to thecondenser I! use of a refrigerant for this purpose. to complete thecycle. It is obvious that any The principal object of this invention isto type of refrigerant may be employed which will 5 provide means fordissipating the heat of the oil perform the desired function. in thecrank case, oil reservoir, or oil line of an It is apparent that a unitof this type would internal combustion engine thereby maintainingrequire very little power and that by properly the proper viscosity ofthe oil. cooling the oil its viscosity would remain sufii- A furtherobject of the invention is to pron ly heavy to p v nt the il le kin pthe i0 duce a device of this character which may be piston rings andthus saving in oil consumption. used in the ordinary engine withoutmaterially In hot climates the oil often becomes very thin altering itsconstruction. and due to the excessive heat of the engine this A furtherobject is to produce a device of this thin oil burns and does notproperly lubricate. character which is economical to manufacture, It isto avoid such difficulties that I have devised 3.5

install and operate. my invention.

Other objects and advantages will be apparent t iS to be unde stood t att e o o y i during the course of the following description. ventionherewith shown and described is to be In the accompanying drawingsforming a part taken as a preferred example of the same and of thisspecification and in which like numerals that various changes relativeto the material, are employed to designate like parts throughout SIZ apand arrangement of parts and vath same, rious changes relative to thelocation or place- Fig. 1 is a side elevation of an engine having mentof the c lin unit m y be re orted to i my i ti applied th r t withoutdeparting from the spirit of the inven- 2 Fig. 2 is an end elevation ofmy invention n r th ope of th u i ined l im a: showing outline of acrank case in broken lines; av thus e c ed my invention, I

Fig. 3 is an enlarged top plan view looking C a mii t th crank case ofth engine; 1. An oil cooler for an internal combustion Fi 4 i id l ti ofFig 3; engine comprising a cooling pan having a curved 30 Fig, 5 i a, btt plan vi w f th angling upper surface, a flat lower surface, saidlower so plate; surface having orifices being connected by Fig, 6 is aid 1 ati n of manifold; curved pipes and a manifold connecting said Fig.'7 is an end elevation of the unit in as- Curved p pe sembling position,and 2. An oil cooler for an internal combustion en- Fig. 8 is a bottomplan view of the cooling gine comprising a cooling pan having a curved35 tubes, upper surface and a fiat lower surface, said pan In theaccompanying drawings wherein for being hollow, a plurality of pipesconnected to the purpose of illustration is shown a preferred the bottomof said pan, and a manifold conembodiment of my invention, the numeral 5necting said pipes, means for delivering a cooldesignates the engine asa whole having an oil ing medium to said manifold thence through 40 sump6 in the bottom of the crank case. It is said pipes into said pan to bewithdrawn through in this oil sump that I place one or more cooling anopening in the top of said pan.

units, which units consist of a hollow cooling pan 3. A cooler for oilin an internal combustion I having a curved upper surface 8 and a flatengine including a hollow pan, a plurality of bottom surface 9. Thebottom surface is drilled depending pipes each having its opposite ends45 so as to provide openings H of any desired numconnected to said panand adjacent its opposite ber. These openings are on opposite sides oflongitudinal margins, and a manifold connectthe pan and are connectedtogether by curved ing the medial portion of each of said pipes coppertubes l2. Each of these tubes are conwhereby fluid entering saidmanifold may pass nected by a manifold l3, see Figs. 4 and 7. into andthrough said pipes thence into said pan 50 In Fig. 1 I have shown a pipeI6 leading from to be withdrawn through an opening in the top thecondenser and expansion valve or liquid reof said pan. ceiver to themanifold l3, which refrigerant then JAMES L. BARNES.

